CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 29, 2022	Dec. 30, 2021	Dec. 31, 2020
OPERATING ACTIVITIES
Net loss	$ (9,104,000)	$ (43,293,000)	$ (124,866,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Losses on investments in joint ventures	143,000	92,000	1,539,000
Distributions from joint ventures	125,000	0	0
Gain on disposition of property, equipment and other assets	(1,071,000)	(3,163,000)	(856,000)
Gain on sale of hotel	(6,274,000)	0	0
Impairment charges	1,525,000	5,766,000	24,676,000
Depreciation and amortization	67,073,000	72,127,000	75,052,000
Amortization of debt issuance costs and debt discount	1,614,000	2,198,000	2,235,000
Share-based compensation	8,170,000	9,316,000	4,385,000
Deferred income taxes	7,033,000	(15,843,000)	(38,836,000)
Other long-term obligations	(209,000)	1,689,000	2,969,000
Contribution of the Company’s stock to savings and profit-sharing plan	956,000	1,011,000	1,315,000
Changes in operating assets and liabilities:
Accounts receivable	6,838,000	(22,055,000)	23,106,000
Government grants receivable	4,335,000	578,000	(4,913,000)
Other assets	(1,874,000)	(2,255,000)	3,476,000
Operating leases	(1,768,000)	(5,325,000)	9,185,000
Accounts payable	(3,262,000)	21,501,000	(32,131,000)
Income taxes	22,722,000	8,508,000	1,467,000
Taxes other than income taxes	(1,621,000)	1,258,000	(2,305,000)
Accrued compensation	2,038,000	12,841,000	(10,422,000)
Other accrued liabilities	(4,180,000)	1,300,000	(3,630,000)
Total adjustments	102,313,000	89,544,000	56,312,000
Net cash provided by (used in) operating activities	93,209,000	46,251,000	(68,554,000)
INVESTING ACTIVITIES
Capital expenditures	(36,843,000)	(17,082,000)	(21,363,000)
Proceeds from disposals of property, equipment and other assets	4,850,000	22,145,000	4,485,000
Net proceeds from sale of hotel	31,101,000	0	0
Capital contribution in joint venture	0	(2,427,000)	(28,000)
Proceeds from sale of trading securities	141,000	377,000	5,184,000
Purchase of trading securities	(263,000)	(3,080,000)	(801,000)
Property insurance recoveries	1,215,000	0	0
Life insurance premium reimbursement	0	11,411,000	0
Other investing activities	(547,000)	(461,000)	450,000
Net cash provided by (used in) investing activities	(346,000)	10,883,000	(12,073,000)
Debt transactions:
Proceeds from borrowings on revolving credit facility	100,000,000	178,500,000	221,500,000
Repayment of borrowings on revolving credit facility	(100,000,000)	(178,500,000)	(302,500,000)
Proceeds from short-term borrowings	0	0	90,800,000
Repayment on short-term borrowings	(47,499,000)	(40,346,000)	(2,955,000)
Proceeds from convertible senior notes	0	0	100,050,000
Principal payments on long-term debt	(35,740,000)	(10,717,000)	(9,447,000)
Proceeds received from PPP loans expected to be repaid	0	0	3,424,000
Proceeds received from borrowing on insurance policy	0	6,700,000	0
Principal payments on finance lease obligations	(2,670,000)	(2,774,000)	(2,007,000)
Debt issuance costs	(37,000)	(208,000)	(7,560,000)
Equity transactions:
Treasury stock transactions, except for stock options	(1,467,000)	(417,000)	(534,000)
Exercise of stock options	126,000	594,000	379,000
Capped call transactions	0	0	(16,908,000)
Dividends paid	(3,080,000)	0	(5,145,000)
Distributions to noncontrolling interest	(2,044,000)	0	0
Net cash provided by (used in) financing activities	(92,411,000)	(47,168,000)	69,097,000
Net increase (decrease) in cash, cash equivalents and restricted cash	452,000	9,966,000	(11,530,000)
Cash, cash equivalents and restricted cash at beginning of year	24,054,000	14,088,000	25,618,000
Cash, cash equivalents and restricted cash at end of year	24,506,000	24,054,000	14,088,000
Supplemental Information:
Change in accounts payable for additions to property and equipment	$ (348,000)	$ 1,122,000	$ (4,081,000)